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  2. Crookes radiometer - Wikipedia

    en.wikipedia.org/wiki/Crookes_radiometer

    The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity.

  3. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    Typically, bulbs of 21 to 27 watts producing 280 to 570 lumens (22 to 45 mean spherical candlepower) are used for stop, turn, reversing and rear fog lights, while bulbs of 4 to 10 W, producing 40 to 130 lm (3 to 10 mscp) are used for tail lights, parking lights, side marker lights and side turn signal repeaters.

  4. Daytime running lamp - Wikipedia

    en.wikipedia.org/wiki/Daytime_running_lamp

    Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...

  5. Black Sun (symbol) - Wikipedia

    en.wikipedia.org/wiki/Black_Sun_(symbol)

    A leather belt with the black sun symbol as belt buckle. The item is from the 2010s. In the late 20th century, the Black Sun symbol became widely used by neo-fascist, neo-Nazi, [8] the far-right and white nationalists. The symbol often appears on extremist flags, t-shirts, posters, websites and in extremist publications associated with such groups.

  6. List of automotive light bulb types - Wikipedia

    en.wikipedia.org/wiki/List_of_automotive_light...

    Similar US bulb: HB2 (9003) 12V: ECE nominal luminous flux: 1,650 / 1,000 lm ±15% Available with P45t base to upgrade old headlamps designed for R2 bulb H7 1 12 V: 55 W 24 V: 70 W PX26d USA, Japan 12V: ECE nominal luminous flux: 1,500 lm ±10% H8 1 12 V: 35 W PGJ19-1 USA ECE nominal luminous flux: 800 lm ±15% H8B 1 12 V: 35 W PGJY19-1 USA H9 1

  7. Suns in alchemy - Wikipedia

    en.wikipedia.org/wiki/Suns_in_alchemy

    The black sun as pictured in the Putrifaction emblem of Philosophia Reformata (Johann Daniel Mylius) Sol niger (black sun) can refer to the first stage of the alchemical magnum opus, the nigredo (blackness). In a text ascribed to Marsilio Ficino three suns are described: black, white, and red, corresponding to the three most used alchemical ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Solar symbol - Wikipedia

    en.wikipedia.org/wiki/Solar_symbol

    Helios with a radiate halo driving his chariot (Ilion, 4th century BC; Pergamon Museum) A solar symbol is a symbol representing the Sun. Common solar symbols include circles (with or without rays), crosses, and spirals. In religious iconography, personifications of the Sun or solar attributes are often indicated by means of a halo or a radiate ...